Benchmarking The AMD EPYC Speed Boost Coming To Linux 5.18, Thanks To Scheduler/NUMA Improvement: Earlier this month I noted a Linux scheduler change queued into sched/core ahead of the Linux 5.18 cycle that is expected to help AMD EPYC processors and other select Zen processors in various workloads. The change has been in the works for several months and is about adjusting the allowed NUMA imbalance when spanning multiple LLCs. I've now carried out some of my own benchmarks on EPYC hardware and indeed is further ratcheting up the Linux kernel performance.
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